Consider the oxy acids HCIOn series, here value of n is 1 to 4. Then incorrect statement regarding these oxy acids is :

(a) Acidic character of oxy acids increases with increasing value of n.

(b) oxidising power of oxy acids increases with decreasing value of n.

(c) Thermal stability of oxy acids decreases with increasing value of n.

(d) 'CO' bond order decreases with decreasing value of n  

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The correct statement regarding CIOn molecular ion is :

(a) On decreasing value of 'n', 'ClO' bond order increases 

(b) On the increasing value of 'n', 'ClO' bond length increases

(c) On the increasing value of n, oxidation number of central atom increases 

(d) On the increasing value of  n, hybrid orbitals on the central atom increase

 

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


 

In, Cl2O6(l)+HF  P+Q

If H+ of acid HF attaches with Q then correct option for hybrization of Cl-atom

and OCIO in the P and Q ions :

(a) P:sp2;>120°

(b) Q:sp3; 109°28'

(c) P:sp3;<109°28'

(d) Q:sp3;>109°28'

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Bromine is commercially prepared from sea water by displacement reaction 

                       Cl2+Br(aq)  2Cl(aq)+Br2

Br2 gas thus formed is dissolved into solution of Na2CO3 and then pure Br2 is obtained by treatment of the solution with :

 

(a) Ca(OH)2

(b) NaOH

(c) H2SO4 

(d) HI

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Cl2(g)+BaOH2  X(aq.)+BaCl2+H2O           X+H2SO4   Y+BaSO4                       Y >365K Z+H2O+O2

Y and Z are respectively :

(a) HCIO4, CIO2 

(b) HCIO3, CIO2

(c)  HCIO3, CIO6

(d) HCIO4, CI2O7

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Auto-oxidation of bleaching powder gives :

(a) only calcium chlorate                        (b) only calcium chloride

(c) only calcium hypochlorite                  (d) both (a) and (b) 

Concept Questions :-

group 17 ,preparation and properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The three elements X, Y and Z with electronic configuration shown below all form hydrides :

            Element                                     Electronic configuration      X                                                  1s22s22p2      Y                                                  1s22s22p63s1       Z                                                   1s22s22p63s23p63d104s24p5

Which set of properties match correctly with properties of the hydrides of these elements :

     Hydride of X                                      Hydride of Y                                   Hydride of Z

(a) Colourless gas insoluble in        Silver/grey solid reacts with H2O      Colourless gas forms a strong

        H2O                                        to form an alkali                                 acid in H2O

(b) Colourless liquid, no reaction    Silver/grey solid forms H2 and          Ionic solid with formula ZH

        with H2O                                  H2O                                

(c) Non-polar compound reacts       Silver/grey ionic solid with               Forms when water is added

     with Cl2 in light                            formula YH2                                 to phosphorus and element Z

(d) Colourless gas which burns        Silver/grey solid which reacts           Colourless, corrosive liquid

          with air                                     violently with acids                             at STP

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The incorrect order is :

(a) HF<HCl<HBr<Hl : Acidic strength(b) HF>HCl>HBr>Hl : Thermal stability(c) HF>HCl>HBr>Hl : Boiling point (d) HF>HCl>HBr>Hl : Bond dissociation enthalpy

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


XeF2 and XeF6  are separately hydrolysed then;

(a) both give out O2

(b) XeF6 gives O2 and XeF2 does not

(c) XeF2 alone gives O2 

(d) Neither of them gives HF

 

 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


MF+XeF4 'A'  (M+=Alkali metal cation)

The state of hybridisation of the central atom in 'A' and shape of the species are:

(a) sp3d, TBP 

(b) sp3d3, distorted octahedral

(c)  sp3d2, pentagonal planar

(d) No compound formed at all

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: